import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '@/components/power/Roles'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '@/components/goods/List'
import Add from '@/components/goods/Add'
import Order from '@/components/order/Order'
import Report from '@/components/report/Report'

Vue.use(Router)

const router = new Router({
  routes: [
    { path: '/', redirect: '/login' },
    { path: '/login', component: Login },
    {
      path: '/home',
      component: Home,
      redirect: '/welcome',
      children: [{ path: '/welcome', component: Welcome }, { path: '/users', component: Users }, { path: '/rights', component: Rights }, { path: '/roles', component: Roles }, { path: '/categories', component: Cate }, { path: '/params', component: Params }, { path: '/goods', component: List }, { path: '/goods/add', component: Add }, { path: '/orders', component: Order }, { path: '/orders', component: Order }, { path: '/reports', component: Report }]
    }
  ]
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表将要从哪个路径跳转而来o
  // next 是一个函数，表示将要放行
  // next() 放行 next('./login)
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
